Handheld computer device



FIG. 1 is a front perspective view of a handheld computer device showing the new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a left side elevational view thereof.

The portion shown in dashed lines forms no part of the claimed design. 

The ornamental design for a handheld computer device, as shown and described. 